To chill and hang out at the same time.

Also a form of greeting to someone you associate with who has already chupped with you.

The art of the chup would be know as chuppin

Yo B wanna chup tonight?
yeah ill meet you at the spot son,,,,

(walking down the street, seeing someone you know nod your head and say "chup!"

response "chup"

chup by Deeznuts June 19, 2007

Chup

Chup is the watery substance in the ketchup bottle usually it comes from not shaking the ketchup bottle enough or at all the word originated from the 4 last letters of ketchup

Ryan:hey dude can I have some ketchup

Aiden:yeah sure man it’s should already be shaken
Aiden: *hands Ryan ketchup*
Ryan: *pours ketchup but only chup came out
Aiden: Jesus,bruh that’s a lot of chup
Ryan: yeah

Chup by Chupman November 28, 2019